An implementation of the column generation procedure for the cutting stock problem can be found in the examples of OPL in the folder

/opt/ibm/ILOG/CPLEX_Studio128/opl/examples/opl/cutstock

It uses the OPL scripting language, which is not subject of our Course Unit. Interested students can review the example through the 

"Tutorial: Flow control and column generation"

that can be open from "Help->Help Contents", following "IDE and OPL > Optimization Programming Language (OPL) > Language User’s Manual > IBM ILOG Script for OPL > Tutorial: Flow control and column generation".

